An interventional study of polished celtra press full coverage crown and glazed celtra press full coverage crowns in Natural Optical Properties, sponsored by Cairo University. Status unknown. Open to participants aged 20 Years to 45 Years. Per ClinicalTrials.gov, last updated 2019-03-04.
Sponsored by Cairo University · Not applicable, Interventional, and Treatment
investigating the effect of glazing and polishing on the color difference between natural teeth and all ceramic crowns made from celtra press (zirconia reinforced lithium silicate ceramic).
Two groups of patients will be selected according to special inclusion criteria N=5 in each group total of 10 patients, one of the two groups will receive a glazed zirconia reinforced lithium silicate ''celtra press'' crowns and the other group will receive a polished ones of the same material , after crowns delivery color difference (ΔE) between the natural teeth and the celtra press crown will be measured by a spectrophotometer device (intra oral) and patient satisfaction will be recorded.
Cairo University is the lead sponsor of 4,909 studies on the registry; 1,445 are open to participants now.
Of its 37 completed or terminated interventional studies of FDA-regulated products, 5 (14%) have results posted.
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Exclusion Criteria:
a full coverage crown in esthetic area made from celtra press ceramic( zirconia reinforced lithium silicate) and finished by just polishing
Other: polished celtra press full coverage crown
a full coverage crown in esthetic area made from celtra press ceramic( zirconia reinforced lithium silicate) and finished by glazing
Other: glazed celtra press full coverage crowns
the poilshed and glazed all ceramic crowns will be compared by the contralateral natural teeth
Other: contralateral natural teeth
a full coverage crown in esthetic area made from celtra press ceramic( zirconia reinforced lithium silicate) and finished by just polishing
Also known as: polished all ceramic crown
a full coverage crown in esthetic area made from celtra press ceramic( zirconia reinforced lithium silicate) and finished by glazing
Also known as: glazed all ceramic crown
the polished and glazed all ceramic crowns will be compared by the contralateral natural teeth
color match
Color match will be measured using "United states pulplic health service " system . Scale system : * Alpha : Excellent colour match and shade between restoration and adjacent tooth, restoration almost invisible * Bravo : Slightly mismatching between the restoration and the adjacent tooth, which is in the normal range of tooth colour, translucence, and/or shade * Charlie : Obvious mismatch, beyond the normal range * Delta : Gross mismatch/aesthetically displeasing colour, shade, and/or translucence
Time frame: immediately after crown delivery
Color difference
The color difference (ΔE) will be measured using spectrophotometer
Time frame: immediately after crown delivery
patient satisfaction
Patient satisfaction using Visual Analogue scale- Binary (Satisfied or not satisfied)
Time frame: immediately after crown delivery
No study locations are listed for this record.
Plan to share: Undecided
No publications or documents are linked to this record.
This study is status unknown, as verified in Mar 2019. You cannot join it, but the record below documents what was studied.
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